Monday afternoon was busy for San Diego firefighters, as they battled two brush fires in the East County.

The first fire, named the Lyons Fire, sparked just after 1 p.m. near Jamul. The Lyons Fire quickly grew to 250 acres and has prompted evacuations. As of 6:45 p.m., the fire was only 10-percent contained.

Images: Brush Fire Prompts Evacuations Near Jamul

Six homes near Lyons Valley Road and Honey Springs Road have been advised to evacuate. An evacuation center has been set up at Jamul Primary School at 14567 Lyons Valley Road. Officials say the evacuations are just precautionary.

The fire started on the side of the road on Skyline Truck Trail. Smoke could be seen pouring from the mountains Monday afternoon.

Cal Fire requested additional resources after the fire jumped from five to 30 acres in the matter of an hour. Planes dropped fire retardant on the flames.